How To Fix APPL_MM_IV_MODEL012 - Quantity of PO &1 changed by another user from &2 &4 to &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: APPL_MM_IV_MODEL -

• Message number: 012

• Message text: Quantity of PO &1 changed by another user from &2 &4 to &3 &4

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message APPL_MM_IV_MODEL012 - Quantity of PO &1 changed by another user from &2 &4 to &3 &4 ?

  The SAP error message APPL_MM_IV_MODEL012 indicates that the quantity of a Purchase Order (PO) has been changed by another user while you were trying to process it. This typically occurs in scenarios where multiple users are accessing and modifying the same PO simultaneously, leading to a conflict in the data.
  Cause:
  
  Concurrent Access: Another user has modified the quantity of the PO you are trying to work with before you could save your changes.
  Session Timeout: If your session has been open for a long time without saving, another user may have made changes that are now conflicting with your unsaved changes.
  Data Locking: SAP uses locking mechanisms to prevent data inconsistencies. If a user has locked the PO for editing, you may encounter this error when trying to make changes.
  
  Solution:
  
  Refresh the PO: Before making any changes, refresh the Purchase Order screen to ensure you have the latest data. This can be done by navigating away from the PO and then returning to it.
  Check for Changes: Review the changes made by the other user. You can do this by checking the change log for the PO to see what modifications were made.
  Communicate with Users: If possible, communicate with the other user(s) who are working on the same PO to coordinate changes and avoid conflicts.
  Re-enter Your Changes: After refreshing and reviewing the latest data, re-enter your changes to the PO and save it.
  Use Transaction Codes: If you are frequently encountering this issue, consider using transaction codes like ME22N (Change Purchase Order) to directly access and modify the PO.
  
  Related Information:
  
  Change Logs: You can view the change logs for the Purchase Order to see who made changes and when. This can help in understanding the context of the changes.
  SAP Notes: Check for any relevant SAP Notes that might address this issue or provide additional guidance on handling concurrent access scenarios.
  User Training: Ensure that users are trained on how to handle POs in a multi-user environment to minimize conflicts.
  
  By following these steps, you should be able to resolve the error and continue working with the Purchase Order effectively.